Husband is seeking divorce and taking custody of child please advise

we are married for 10 years and child is 5 and half years old. i have been through a lot of torture and emotional trauma since marriage of 10 years. recently, my husband was out of town and i invited one of my male frends. he came home late coz of his work. i needed to booze coz of my anxieties and he bought booze bottle and we ordered food at 2 at night. and he left the next morning.. all this is captured by building society and now my husband is trying to prove me characterless on the pretext.. that i boozed and some men coming home late at night and leaving mrng. he wants custody of my child and i want custody of my child..he is giving me all types of bribe to go mutual by giving me flat, car etc.. but since the time of 10 yers of marriage.. he was never a good husband nor a good father. n since last two years become too much religious too. not paying any attention to household. even if gets custody he will put my child in some religious school to make him a monk.. plz guide.